Improvement in cutter-heads



C. .R. PATTERSON.

CUTTER-HEAD.

' Patented June 12, 1877.

W NT W 744 .JM fww, v kw ma w U NITED STATES PATENT OFFICE CHESTER R.PATTERSON, OFPITTSTON, PENNSYLVANIA.

lMPROVEMENT m CUTTER-HEADS.

Specification forming part of Letters Patent N0. [9 1,878. dated J nne12, 1877 application filed February 24, 1877.

To all whom it may concern:

Be it known that-I, CHESTER R. PATTER- SON, of Pittston, in the countyof Luzerne and the State of Pennsylvania, have invented an Improvementin Gutter-Heads, which improvement is fully set forth in the followingspecification and accompanying drawing, in which Figure l is a frontview of the head. Fig. 2 is a sectionof head and cutters. Figs. 3 and 4are modifications of my improved cutter-head.

The object of my invention is to furnish a device which will out bothways and at the same time be simple and cheap.

A A are the collars by which the cutters B B are held. 0 is a nut whichtightens them down and holds them fast.

Fig. 2 shows the angle of the cutters, which may be regulated accordingto the size of the collars and the length of the cutters, so that thehead will balance.

A A, in Fig. 3, represent collars concave ble straight knives,constructed and operat- I ing substantially as shown and described.

CHESTER R. PATTERSON.

Witnesses:

M. P. Hnnwoon, O. D. IRELAN.

